Hisayo became a full-time housewife after accepting a passionate courtship. Her husband is kind, but he tends to go on business trips and lives in different ways, which is the source of her troubles. In addition, her older brother, Shuichi, stubbornly refuses Hisayo and gets into trouble with her every time. Her younger brother Kazuhiko's acceptance was the only source of support for Hisayo's heart. However, one night, when she returned to her room after taking a bath, Kazuhiko was looking for her underwear in the room. Hisayo is troubled by his unexpected behavior, but she doesn't stop there...
